20165295

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{307}}^1$

素因数の和:495

約数の個数: 32

約数和(自身を含む): 33707520

約数和(自身を除く): 13542225

約数列:

[1, 3, 5, 15, 29, 87, 145, 151, 307, 435, 453, 755, 921, 1535, 2265, 4379, 4605, 8903, 13137, 21895, 26709, 44515, 46357, 65685, 133545, 139071, 231785, 695355, 1344353, 4033059, 6721765, 20165295]

約数ペア:

[(1, 20165295), (3, 6721765), (5, 4033059), (15, 1344353), (29, 695355), (87, 231785), (145, 139071), (151, 133545), (307, 65685), (435, 46357), (453, 44515), (755, 26709), (921, 21895), (1535, 13137), (2265, 8903), (4379, 4605)]